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The PRV Audio FR Series sets a new standard of value in high-performance Fullrange speakers. The 8FR250 fullrange speaker is an excellent choice when space is at an absolute minimum, eliminating the need for a tweeter.
True full-range response ( 50 – 18,000Hz ) makes it easy to add midrange and high frequency to any system
Impressive choice for a compact, high output home, car, and professional audio systems – 8 Ohm impedance
93.5 dB – High efficiency, you do not need a lot of power to achieve extreme SPL levels
Dual Cone Full Range Loudspeaker – Secondary “whizzer” cone improves high frequency response
The dual cone setup maximizes sound clarity. The primary cone handles lows to midrange frequencies while the smaller whizzer cone increases high-frequency response, covering a wide range of frequencies from 50 Hz to 18,000 Hz.
In addition to delivering superior performance across a wide range of frequencies, its innovative design sets it apart from traditional speakers.
These full-range speakers are focused on a combination of a small motor with a copper ring and an unique whizzer cone with a woven-cloth dust cap which provides exceptional clarity, deep mid-bass, high detail, and dynamics at high sensitivity.
Great option for car audio systems and simple portable speaker designs. Whether you’re a DIY audio enthusiast or a professional sound engineer, the FR series is the go-to choice for any audio project that demands exceptional sound quality and clarity all from a single speaker.
Recommended HPF using PRV Digital Signal Processor DSP when using up to 250 Watts RMS musical power ( without clipping )
75 Hz at 12 dB per octave filter Crossover / BT12
65 Hz at 18 dB per octave filter Crossover / BT18
We do not recommend using a LPF at low power to take advantage of its high frequency response.
Technical Details
GENERAL SPECIFICATIONS
Nominal Diameter
8" (203 mm)
Nominal impedance
8 Ohm
Nominal Power Handling
125 Watts
Continuous Program Power (RMS)
250 Watts
Max Peak Power
500 Watts
Sensitivity 2.83V at 1m
93.5 dB
Recommended Hi Pass Crossover** **For Full Power Handling
75 Hz** **12db Per Octave Crossover
Frequency Response at -10dB
50 - 18,000 Hz
Voice Coil Diameter
1.5" (38 mm)
Voice Coil Wire
CCAW
Voice Coil Winding Depth
10.0 mm
Former Material
Kapton
Magnetic Gap Depth
6.0 mm
Frame Material
Stamped Steel
*Nominal power handling is defined as the maximum RMS power that the speaker can handle in a 2-hour test with a pink noise with 6dB of crest factor and a bandpass filter with 12db/oct tuned in its usable frequency range. **Continuous Program Power (RMS) is the maximum power that the speaker can handle considering a regular musical program using our recommended filters, this power can be used to define the optimum amplifier power to avoid a clean signal without clipping or saturation. ***Max Peak Power is the maximum power operation for the speaker, this power is allowed just for a few fractions of a second, usually found just on the peaks of the music. Keeping this power for a little longer timer will damage the speaker.
THIELE-SMALL PARAMETERS
Equivalent Volume
Vas
21.2 l
Excursion (mathematical)***
Xmax
3.50 mm
Free Air Resonance
Fs
75.6 Hz
Mechanical Factor
Qms
14.07
Electrical Factor
Qes
1.10
Total Factor
Qts
1.02
Cone Area
Sd
227 cm²
Mechanical Mass
Mms
15.0 g
Bl Factor
Bl
6.53 Tm
Dc Resistance
Re
6.6 Ohms
Inductance
Le
0.275 mH at 1 kHz
Mechanical Mass Without Air
Mmd
13.1 g
Mechanical Compliance
Cms
0.294 mm/N
***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2+ Mgnetic Gap Depth/4
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